/*
 * Copyright (c) 2010, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_RECTANGLE_SHAPE_H_INCLUDED_
#define ALKES_RECTANGLE_SHAPE_H_INCLUDED_

#include "alkes/gfx/Shape.h"
#include "alkes/core/TUnionHelper.h"

namespace alkes {

/// \addtogroup graphics
//@{

class AL_EXPORT RectangleShape
    : public Shape
{
    AL_DECLARE_CLASS(RectangleShape, Shape);

public:

    void setFillRectangle(const Rect& rect, const Color& color);
    void setGradientFillRectangle(const Rect& rect, const Color& color0, const Color& color1, bool horizontal = false);
    void setLineRectangle(const Rect& rect, const Color& color);
    void setRect(const Rect& rect);
    void setColor(const Color& color);
    void setLineMode(bool is_line);
    void setGradientColor(const Color& color0, const Color& color1);
    void setGradientOrder(bool horizontal);

    void setFillRectangle(uint32_t index, const Rect& rect, const Color& fill_color);
    void setGradientFillRectangle(uint32_t index, const Rect& rect, const Color& color0, const Color& color1, bool horizontal = false);
    void setLineRectangle(uint32_t index, const Rect& rect, const Color& line_color);
    void setRect(uint32_t index, const Rect& rect);
    void setColor(uint32_t index, const Color& color);
    void setLineMode(uint32_t index, bool is_line);
    void setGradientColor(uint32_t index, const Color& color0, const Color& color1);
    void setGradientOrder(uint32_t index, bool horizontal);

    const Rect getRect(uint32_t index) const;
    const Color getColor(uint32_t index) const;
    const Color getColor0(uint32_t index) const;
    const Color getColor1(uint32_t index) const;
    bool isLine(uint32_t index) const;
    bool isGradient(uint32_t index) const;
    bool isHorizontalGradient(uint32_t index) const;

protected:

    struct Rectangle
    {
        Rect rect;
        Color color0;
        Color color1;
        uint8_t flags;

        void setLine(bool is_line);
        void setGradient(bool is_gradient);
        void setGradientOrder(bool horizontal);

        bool isLine() const;
        bool isGradient() const;
        bool isHorizontalGradient() const;

        enum
        {
            FLAG_LINE_MODE      = 0x01,
            FLAG_GRADIENT       = 0x02,
            FLAG_GRADIENT_ORDER = 0x04,
        };
    };

    RectangleShape(uint32_t num);
    virtual ~RectangleShape() = 0;

    const Rectangle& getRectangle(uint32_t index) const;

private:
    TUnionHelper<Rectangle> rectangles_;
};

//@}

}

#endif
